1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 package com.google.protobuf; 32 33 import java.lang.reflect.Field; 34 35 /** Information for a oneof within a protobuf message. */ 36 // TODO(nathanmittler): make this private once all of experimental code is migrated to protobuf. 37 @ExperimentalApi 38 final class OneofInfo { 39 private final int id; 40 private final Field caseField; 41 private final Field valueField; 42 OneofInfo(int id, Field caseField, Field valueField)43 public OneofInfo(int id, Field caseField, Field valueField) { 44 this.id = id; 45 this.caseField = caseField; 46 this.valueField = valueField; 47 } 48 49 /** 50 * Returns the unique identifier of the oneof within the message. This is really just an index 51 * starting at zero. 52 */ getId()53 public int getId() { 54 return id; 55 } 56 57 /** The {@code int} field containing the field number of the currently active member. */ getCaseField()58 public Field getCaseField() { 59 return caseField; 60 } 61 62 /** The {@link Object} field containing the value of the currently active member. */ getValueField()63 public Field getValueField() { 64 return valueField; 65 } 66 } 67